# NTSB OAK75DXQ23: Piper PA-28, N5968W, Mammoth Lks, CA, September 7, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 7, 1974
- Place: Mammoth Lks, CA · MAMMOTH LKS, CA
- Location: 37.6244° N, 118.9884° W: Placed by OpenAirDocs: center of Mammoth Lakes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6244&lon=-118.9884&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 4, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134319
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75DXQ23
- Page: https://openairdocs.org/ntsb/OAK75DXQ23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2622   74/9/7    MAMMOTH LKS,CALIF   PIPER PA-28         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1615                    N5968W              PX-  0  0  0  DUAL                      38, 4000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MAMMOTH LAKES
        DEPARTURE POINT             INTENDED DESTINATION
          LANCASTER,CALIF             MAMMOTH LKS,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED DISTANCE AND ALTITUDE
           DUAL STUDENT - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           TERRAIN - ROUGH/UNEVEN
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           70                                                      225
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- LOW ON FINAL,IP TOLD PLT FULL PWR,PLT MISTOOK FOR PULL PWR.LND IN SAGE BRUSH.
```

## Aircraft

- Registration: [N5968W](https://openairdocs.org/aircraft/N5968W), registered now, S/N 28-3860, built 1967 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-150](https://openairdocs.org/model/piper-pa-28-150) (registry code 7102804) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mammoth Lakes

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740907028929A](https://openairdocs.org/incident/19740907028929A), Sep 7, 1974: Piper PA28150, Mammoth Lks, CA, Substantial damage. Low on final,ip told plt full pwr,plt mistook for pull pwr. Lnd in sage brush.

## Other investigations on N5968W (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX91LA061](https://openairdocs.org/ntsb/LAX91LA061), Dec 28, 1990: Piper PA-28-150 (N5968W), Sierra Vista, AZ, substantial damage. Probable cause: LOSS OF ENGINE POWER DUE TO CARBURETOR ICE FROM IMPROPER USE OF THE CARBURETOR HEAT CONTROL.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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